# List of songs written by Jay B

Lim Jae-beom (Korean: 임재범; born January 6, 1994), better known as Jay B and formerly JB, is a South Korean singer and songwriter, best known as a member and leader of South Korean boy band Got7.
He got interested in musical composition when he was a b-boy, but started writing songs only after joining JYP Entertainment in 2009: he was first credited as a lyricist for the song "Bad Behaviour" from Got7's 2014 extended play Got Love. In 2016, he became more involved in composition and adopted the pseudonym Defsoul, which was shortened to Def. the following year.

## Songs

All song credits are adapted from the Korea Music Copyright Association's database, unless otherwise noted.

### 2012–2016

| Year | Artist | Title | Album | Lyrics | Lyrics | Music | Music |
| Year | Artist | Title | Album | Credited | With | Credited | With |
| 2012 | JJ Project (with Kim Se-hwang, Robin, DJ Lip2Shot) | "Na Na Na" (Ver. MM Choice) (나나나(Ver. MM Choice)) | MM Choice Part. 2 | Yes | Junior, San E | No | — |
| 2014 | Got7 | "Bad Behaviour" (나쁜 짓) | Got Love | Yes | Alex G, Erika Nuri, Andy Love | No | — |
| 2015 | Got7 | "Mine" | Just Right | Yes | Jung Joo-hee | No | — |
| 2015 | Got7 | "Everyday" (매일) | Mad Winter Edition | Yes | Cho Wool of Princess Disease, BamBam | Yes | Cho Wool of Princess Disease |
| 2016 | Got7 | "Fish" | Flight Log: Departure | Yes | Daniel Kim, Park Jiyeon, Dr. B | Yes | Daniel Kim, Park Jiyeon |
| 2016 | Got7 | "Something Good" | Flight Log: Departure | Yes | BamBam | Yes | Andrew Choi, 220, Mingsician |
| 2016 | Got7 | "Home Run" | Flight Log: Departure | Yes | Daniel Kim, Park Jiyeon | Yes | Daniel Kim, Park Jiyeon |
| 2016 | Got7 | "Skyway" | Flight Log: Turbulence | Yes | Earattack | Yes | Earattack, Lish, The Kick Sound |
| 2016 | Got7 | "Prove It" | Flight Log: Turbulence | Yes | — | Yes | 220, Royal Dive |
| 2016 | Got7 | "Dreamin'" (니꿈꿔) | Flight Log: Turbulence | Yes | Earattack, BamBam | Yes | Earattack |
| 2016 | Got7 | "If I Never Let You Go…" (離さなければ…) | Hey Yah! | Yes | Frants, Kenji Kabashima | Yes | Frants |
| 2016 | Def. | "Holic" | 1/? vol. 1 | Yes | — | Yes | Mirror Boy |
| 2016 | Def. | "Don't Worry" | 1/? vol. 1 | Yes | — | Yes | Mirror Boy |
| 2016 | Def. | "Sin" (feat. Jomalxne) | 1/? vol. 1 | Yes | Jomalxne | Yes | Mirror Boy, Jomalxne, HNMR |
| 2016 | Def. | "Lost" | 1/? vol. 1 | Yes | — | Yes | Mirror Boy |
| 2016 | Def. | "Bad Habit" (feat. Jomalxne) | 1/? vol. 1 | Yes | Jomalxne, HNMR | Yes | Jomalxne, HNMR, Mirror Boy |

### 2017

| Artist | Title | Album | Lyrics | Lyrics | Music | Music |
| Artist | Title | Album | Credited | With | Credited | With |
| Got7 | "Shopping Mall" | Flight Log: Arrival | Yes | Earattack, Jackson, BamBam, Mark | No | — |
| Got7 | "Go Higher" | Flight Log: Arrival | Yes | Earattack, Mark, BamBam, Jackson | Yes | Earattack, 5$ |
| Got7 | "Q" | Flight Log: Arrival | Yes | GDLO | Yes | GDLO |
| Got7 | "Meet Me" | My Swagger | Yes | Mirror Boy, D.Ham, Moon Hanmiru, Komu | Yes | Mirror Boy, D.Ham, Moon Hanmiru |
| JJ Project | "Tomorrow, Today" (내일, 오늘) | Verse 2 | Yes | Jinyoung, J.Y. Park "The Asiansoul" | No | — |
| JJ Project | "On & On" | Verse 2 | Yes | Mr. Cho, Jinyoung | Yes | Mr. Cho, Jinyoung, Cheongdam-dong Gunwoo |
| JJ Project | "Icarus" | Verse 2 | Yes | Andrew Choi | Yes | Royal Dive, Andrew Choi |
| JJ Project | "Don't Wanna Know" | Verse 2 | Yes | Jinyoung | No | — |
| JJ Project | "Find You" | Verse 2 | Yes | Andrew Choi | Yes | Royal Dive, Andrew Choi |
| JJ Project | "Fade Away" | Verse 2 | Yes | Andrew Choi | Yes | Royal Dive, Andrew Choi |
| Got7 | "Teenager" | 7 for 7 | Yes | FS | Yes | FS, Royal Dive |
| Got7 | "You Are" | 7 for 7 | Yes | Mirror Boy, D.Ham, Moon Hanmiru | Yes | Mirror Boy, D.Ham, Moon Hanmiru |
| Got7 | "Turn Up" | Turn Up | Yes | Mirror Boy, D.Ham, Moon Hanmiru, Samuelle Soung | Yes | Mirror Boy, D.Ham, Moon Hanmiru |
| Got7 | "Why" | Turn Up | Yes | Shirai Yuuki | Yes | Royal Dive, Park Joseph, Lee Dong-woo |

### 2018

| Artist | Title | Album | Lyrics | Lyrics | Music | Music |
| Artist | Title | Album | Credited | With | Credited | With |
| Def. | "Think of You" | 1/? vol. 2 | Yes | — | Yes | Royal Dive |
| Def. | "Channel" (feat. Jeebanoff, Jomalxne) | 1/? vol. 2 | Yes | Jeebanoff, Jomalxne | Yes | Jeebanoff, Jomalxne, Royal Dive |
| Def. | "Pray" | 1/? vol. 2 | Yes | — | Yes | Royal Dive |
| Got7 | "One and Only You" (feat. Hyolyn) | Eyes On You | Yes | — | No | — |
| Got7 | "Look" | Eyes On You | Yes | Mirror Boy, Moon Hanmiru, D.ham | Yes | Mirror Boy, Moon Hanmiru, D.ham |
| JB | "Rainy" | Hyena on the Keyboard Part. 4 | Yes | — | Yes | Yiruma, Moon Hanmiru, Royal Dive |
| Got7 | "Shining On You" | The New Era | Yes | D.ham, Moon Hanmiru, Mirror Boy, Samuelle Soung | Yes | D.ham, Moon Hanmiru, Mirror Boy |
| Got7 | "Hmmmm" | The New Era | Yes | D.ham, Moon Hanmiru, Mirror Boy, Samuelle Soung | Yes | D.ham, Moon Hanmiru, Mirror Boy |
| JB | "Higher" | Colors | Yes | — | Yes | Deepshower |
| Got7 | "Enough" | Present: You | Yes | D.ham, Moon Hanmiru, Mirror Boy | Yes | D.ham, Moon Hanmiru, Mirror Boy |
| Got7 | "Save You" (지켜줄게) | Present: You | Yes | D.ham, Moon Hanmiru, Mirror Boy | Yes | D.ham, Moon Hanmiru, Mirror Boy |
| Got7 | "Sunrise" | Present: You | Yes | Jomalxne | Yes | Jomalxne, RoseInPeace |
| Def. | "Sometime" | 1/? vol. 3 | Yes | — | Yes | RoseInPeace |
| Def. | "Be With You" | 1/? vol. 3 | Yes | — | Yes | RoseInPeace |
| Def. | "Don't Care" | 1/? vol. 3 | Yes | — | Yes | RoseInPeace |
| Def. | "Island" (feat. Jomalxne) | 1/? vol. 3 | Yes | Jomalxne | Yes | RoseInPeace, Jomalxne |
| Def. | "Blind" | 1/? vol. 3 | Yes | — | Yes | RoseInPeace |
| Got7 | "Come On" (안 보여) | Present: You & Me | Yes | iHwak | Yes | iHwak, Royal Dive |
| Got7 | "1:31AM" (잘 지내야해) | Present: You & Me | Yes | Ars | Yes | Ars, minGtion, 220 |
| Got7 | "Think About It" | Present: You & Me | Yes | Mark Tuan, Ars | Yes | Mark Tuan, Ars, Lee Sang-chul, Mirror Boy |

### 2019

| Artist | Title | Album | Lyrics | Lyrics | Music | Music |
| Artist | Title | Album | Credited | With | Credited | With |
| Got7 | "Reborn" | I Won't Let You Go | Yes | Ars, Shirai Yuuki | Yes | Ars, Mirror Boy |
| Jus2 | "Focus on Me" | Focus | Yes | Yugyeom | Yes | Yugyeom, Cosmic Boy, OLNL |
| Jus2 | "Drunk On You" | Focus | Yes | Moon Hanmiru, John Napoleon, Keith Hetrick, Nate Gott | Yes | Moon Hanmiru, Keith Hetrick |
| Jus2 | "Touch" | Focus | Yes | — | Yes | Christian Fast, Marcus Lindberg, Tania Doko, Royal Dive |
| Jus2 | "Senses" | Focus | Yes | Moon Hanmiru, Deepshower | Yes | Moon Hanmiru, Deepshower |
| Jus2 | "Breath" (吐息) | Focus (Japan Edition) | Yes | Yugyeom, Stainboys | Yes | Yugyeom, Park Seul-gi (153/Joombas), Go Younghwan |
| Got7 | "Eclipse" | Spinning Top: Between Security & Insecurity | Yes | J.Y. Park "The Asiansoul", D.ham, Mirror Boy, Moon Hanmiru | Yes | Mirror Boy, D.ham, Moon Hanmiru, Daviid, Yosia, NeD, Moon Kim, Vendors |
| Got7 | "Page" | Spinning Top: Between Security & Insecurity | Yes | Jomalxne, Royal Dive, iHwak | Yes | Jomalxne, Royal Dive, iHwak |
| Offshore | "Surfin" (Mirror Boy feat. Def., Jomalxne) | Scene #1 | Yes | Jomalxne, Mirror Boy | Yes | Jomalxne, Mirror Boy |
| Offshore | "Laze" (RoseInPeace feat. Def., Jomalxne) | Scene #1 | Yes | Jomalxne | Yes | Jomalxne, RoseInPeace |
| Offshore | "Play" (RoseInPeace feat. Jomalxne, Def., HNMR) | Scene #1 | Yes | HNMR, Jomalxne, Royal Dive | Yes | HNMR, Jomalxne, Royal Dive |
| Got7 | "Your Space" | Love Loop | Yes | Moon Hanmiru, Jomalxne, T-DOT | Yes | Moon Hanmiru, Jomalxne, RoseInPeace, Choi Yong-wook |
| Def. | "Something Special" | 1/? vol. 4 | Yes | — | Yes | Nomad |
| Def. | "Desire" | 1/? vol. 4 | Yes | — | Yes | Nomad |
| Def. | "Deeper" | 1/? vol. 4 | Yes | — | Yes | Nomad |
| Def. | "Runaway" | 1/? vol. 4 | Yes | — | Yes | Nomad |
| Def. | "Stopline" (feat. Rick Bridges) | 1/? vol. 4 | Yes | Rick Bridges | Yes | Nomad, Rick Bridges |
| Got7 | "You Calling My Name" (니가 부르는 나의 이름) | Call My Name | Yes | Kim Woo-ram, Lee Seu-ran, J.Y. Park "The Asiansoul" | No | — |
| Got7 | "Pray" | Call My Name | Yes | iHwak, Jomalxne | Yes | iHwak, Jomalxne, Zayson, RoseInPeace |
| Got7 | "Thursday" | Call My Name | Yes | iHwak, Royal Dive | Yes | iHwak, Royal Dive |
| Def. | "Ring" | 1/? vol. 5 | Yes | — | Yes | Plan8 |
| Def. | "Diary" | 1/? vol. 5 | Yes | — | Yes | Plan8 |
| Def. | "Nothing" | 1/? vol. 5 | Yes | — | Yes | Plan8 |
| Def. | "Curiosi" | 1/? vol. 5 | Yes | — | Yes | Plan8 |
| Def. | "Come Back to Me" | 1/? vol. 5 | Yes | — | Yes | Plan8 |

### 2020

| Artist | Title | Album | Lyrics | Lyrics | Music | Music |
| Artist | Title | Album | Credited | With | Credited | With |
| Offshore | "Simple" (feat. Def., Mirror Boy) | Scene #2 | Yes | Mirror Boy | Yes | Mirror Boy, Royal Dive |
| Offshore | "Smoke" (연기) (feat. Def., Jomalxne) | Scene #2 | Yes | Jomalxne | Yes | Jomalxne, RoseInPeace |
| Offshore | "Take a Walk" (feat. iHwak, HNMR, Def.) | Scene #2 | Yes | — | Yes | Mirror Boy, Royal Dive, iHwak, HNMR |
| Got7 | "Crazy" | Dye | Yes | D.ham, Moon Hanmiru, Mirror Boy | Yes | Moon Hanmiru, Mirror Boy |
| Got7 | "Ride" | Dye | Yes | — | Yes | iHwak, Zayson, Royal Dive |
| Offshore | "Just Stay" (feat. Def., Junny) | Cut #1 | Yes | Junny | Yes | Junny, Royal Dive |
| Offshore | "Sweet Dream" (feat. Def.) | Cut #1 | Yes | — | Yes | Royal Dive |
| Jeebanoff | "Callin" (feat. Def.) | Good Thing (Remix) | Yes | Jeebanoff | Yes | Jeebanoff, Swimgood1 |
| Got7 | "Last Piece" | Breath of Love: Last Piece | Yes | D.ham, Jomalxne | Yes | iHwak, Moon Hanmiru, RoseInPeace, Jomalxne, Zayson, Mirror Boy |
| Wavycake, Ovus | "Dream" (꿈) (feat. Def) | REALusion | Yes | Ovus | Yes | Wavycake, Ovus |
| $ün | "In December (Sad Night)" (12월엔 (Sad Night)) (feat. Def.) | White | Yes | $ün, Lee Yu-mi, Rudbeckia | Yes | $ün, Rudbeckia, Bae Min-soo, Park Jae-hyung |

### 2021

| Artist | Title | Album | Lyrics | Lyrics | Music | Music |
| Artist | Title | Album | Credited | With | Credited | With |
| Offshore | "Cold Night" (feat. Def., HNMR, Jomalxne) | Scene #3 | Yes | a | Yes | HNMR, Jomalxne, RoseInPeace |
| Offshore | "Call Me" (전화해) (feat. Def., Jomalxne) | Scene #3 | Yes | Jomalxne | Yes | Jomalxne, RoseInPeace |
| Jay B | "Switch It Up" (feat. Sokodomo) | Non-album single | Yes | Jay Park, Sokodomo | Yes | Jay Park, Cha Cha Malone |
| s/s | "Memory" (feat. Def.) | Seesaw | Yes | — | Yes | s/s |
| Jay B | "B.T.W" (feat. Jay Park) | SOMO:Fume | Yes | Jay Park | Yes | Jay Park, Cha Cha Malone |
| Jay B | "AM PM" (feat. Wheein) | SOMO:Fume | Yes | Jay Park, Sound Kim | Yes | Sound Kim, Gray, DAX, Chrli |
| Jay B | "Fame" (feat. JUNNY) | SOMO:Fume | Yes | Junny | Yes | Junny, GroovyRoom, Bin, Bell |
| Jay B | "In To You" (feat. g1nger) | SOMO:Fume | Yes | g1nger, Jay Park | Yes | g1nger, Jay Park, Woogie |
| Jay B | "Count on Me" | SOMO:Fume | Yes | — | Yes | Junny, GroovyRoom, Kwaca |
| Jay B | "Paranoia" | SOMO:Fume | Yes | Jay Park | Yes | Jay Park, pH-1, GroovyRoom |
| Jay B | "I'm Surfin' (Gangneung & Yangyang)" | Feel the Rhythm of Korea Pt. 1 | Yes | — | Yes | GroovyRoom, Bin, Bell |
| Def. & Fudasca | "Is It A Dream?" | Non-album single | Yes | Simone Eleuteri | Yes | Fudasca |
| Mirani | "P.S." (feat. Jay B) | Uptown Girl | Yes | Mirani | Yes | Mirani, Jintae Ko, Charlie Snyder, Sofia Quinn, Dom Perfetti, Defsoul, GroovyRoom |
| Ourealgoat | "Thought of You" (생각했어) (feat. Jay B) | Non-album single | Yes | Ourealgoat | No | — |
| Junny, Jay B | "Nostalgia" | Nostalgia | Yes | Junny, Jane | Yes | Junny, No2zcate |

### 2022

| Artist | Title | Album | Lyrics | Lyrics | Music | Music |
| Artist | Title | Album | Credited | With | Credited | With |
| Def. | "Again" (feat. Leon) | Love. | Yes | Leon | Yes | Royal Dive, Mirror Boy, Saimon, Leon |
| Def. | "Why?" (왜그래?) | Love. | Yes | — | Yes | Royal Dive, Saimon, Mirror Boy |
| Def. | "I Just Wanna Know" | Love. | Yes | — | Yes | Mirror Boy, Royal Dive, Saimon |
| Def. | "Like a Fool" (바보같이) (feat. Junny) | Love. | Yes | Junny | Yes | Mirror Boy, Simon, Royal Dive, Junny |
| Def. | "Want U" | Love. | Yes | — | Yes | Saimon, Royal Dive, Mirror Boy |
| Def. | "Sunset With You" | Love. | Yes | — | Yes | Saimon, Mirror Boy, Royal Dive |
| NXPS | "Night" (feat. Def.) | Non-album single | Yes | NXPS | Yes | NXPS, Deepshower |
| Bigone | "Windy Day" (바람이 나를 안을 때) | BIGONEISTHENAME | Yes | Bigone | Yes | Nmore, Bigone, Hong Hoon-gi |
| Got7 | "Truth" | Got7 | Yes | Leon, iHwak | Yes | iHwak, HRDR, Leon |
| Got7 | "Nanana" | Got7 | Yes | iHwak | Yes | iHwak, Royal Dive |
| Got7 | "Don't Leave Me Alone" | Got7 | Yes | iHwak | Yes | iHwak, Royal Dive |
| H1ghr Music | "BRB" | Non-album single | Yes | Haon, Sik-K, Trade L, Big Naughty, pH-1, Park Hyeon-jin, Jay Park | Yes | Cha Cha Malone, GroovyRoom, Haon, Sik-K, Trade L, Big Naughty, pH-1, Park Hyeon-jin, Jay Park |
| Skinny Brown, Kim Seung-min, Jay B, Big Naughty | "Lone Wolf (3:00 AM)" (풀리지 않는 고민) (3:00 am) | Listen-Up EP.3 | Yes | Skinny Brown, Kim Seung-min, Big Naughty | Yes | Skinny Brown, Kim Seung-min, Big Naughty, Dress |
| SMMT | "I'll Be Fine" (feat. Jay B) | Mr. Hollywood | Yes | — | Yes | SMMT |
| Jay B | "Go Up" | Be Yourself | Yes | Son Jung-hwa (Jam Factory), Yoo Da-eun (Jam Factory), Sabon | No | — |
| Jay B | "Break It Down" (feat. Sik-K) | Be Yourself | Yes | Sik-K, Leon | Yes | Sik-K, Leon, Royal Dive |
| Jay B | "Livin'" | Be Yourself | Yes | — | Yes | Junny, Royal Dive |
| Jay B | "The Way We Are" | Be Yourself | Yes | Joo Yoon-kyung, Sabon, Cha Yu-bin | No | — |
| Jay B | "Fountain of Youth" | Be Yourself | No | — | Yes | Andrew Stoelzing, Dougie F, Im Jung-woo, Paprikaa |
| Jay B | "Holyday" | Be Yourself | No | — | Yes | iHwak, Mirror Boy, Royal Dive |
| Jomalxne feat. Jay B | "GZRGH" (꺼지라고해) | Sky Walker | No | — | Yes | Jomalxne, Royal Dive, Zayson, RoseInPeace |
| Def. | "My Bad" | Abandoned Love. | Yes | — | Yes | Wavycake, Mirror Boy |
| Def. | "Calm Down" | Abandoned Love. | Yes | — | Yes | Wavycake, Mirror Boy |
| Def. | "My Abandoned Love" | Abandoned Love. | Yes | — | Yes | Wavycake, Mirror Boy |
| Def. | "Not Easy" | Abandoned Love. | Yes | — | Yes | Wavycake, Mirror Boy |
| Def. | "Right" (맞아) | Abandoned Love. | Yes | — | Yes | Wavycake, Mirror Boy |
| Def. | "You Say" | Abandoned Love. | Yes | — | Yes | Wavycake, Mirror Boy |
| Def. | "Will Spring Come?" (봄이 올까?) | Non-album single | Yes | — | Yes | Mirror Boy, Noden, Chillingcat |

### 2023–2025

| Artist | Title | Album | Lyrics | Lyrics | Music | Music |
| Artist | Title | Album | Credited | With | Credited | With |
| Soulbysel, Def. | "About You" | Soulbysel Compilation 04 | Yes | — | Yes | Noair, Plan8, Daul |
| Jay B | "One Moment" (잠시만) | Seasonal Hiatus | Yes | — | Yes | 1of1, Holynn, Akira |
| Jay B | "Whiskey" | Seasonal Hiatus | Yes | — | Yes | Woogie, iHwak |
| Jay B | "Wonder" | Seasonal Hiatus | Yes | Jo Yoon-kyung | Yes | Mikey!, En |
| Offshore | "Favorite" (feat. Def., Junny, iHwak, Royal Dive) | Scene #4 | Yes | Junny, iHwak, Royal Dive | Yes | Junny, iHwak, Royal Dive |
| Offshore | "Bada" (feat. Def., Leon, Mirror Boy) | Scene #4 | Yes | Leon, Mirror Boy | Yes | Leon, Mirror Boy |
| Offshore | "Hell of a Life" (feat. iHwak, Def., Junny, Mirror Boy) | Scene #4 | Yes | iHwak, Junny, Mirror Boy | Yes | iHwak, Junny, Mirror Boy |
| DXTEEN | "Snowin'" | Non-album single | Yes | D.ham, Mirror Boy, Moon Hanmiru | Yes | D.ham, Mirror Boy, Moon Hanmiru |
| Jay B | "Baby" | Archive 1: [Road Runner] | Yes | iHwak | Yes | iHwak, Royal Dive |
| Jay B | "If You" | Archive 1: [Road Runner] | Yes | — | Yes | Royal Dive |
| Jay B | "Make Me Right" | Archive 1: [Road Runner] | Yes | Leon | Yes | Leon, LNB |
| Jay B | "Chosen" | Archive 1: [Road Runner] | Yes | — | Yes | Royal Dive |
| Jay B | "Take it Easy" | Archive 1: [Road Runner] | Yes | Junny | Yes | Royal Dive, Junny |
| Jay B | "Crash" | Archive 1: [Road Runner] | Yes | Paul Blanco, Jomalxne | Yes | Saimon, RoseInPeace, Paul Blanco, Jomalxne |
| Jay B | "Preview" | Archive 1: [Road Runner] | Yes | D.ham | Yes | Moon Hanmiru, Mirror Boy |
| Jay B | "°C (Temperature)" (온도) | Archive 1: [Road Runner] | Yes | — | Yes | Lee Sang-chul, Moon Hanmiru, Mirror Boy |
| Jay B | "Right Back" | Archive 1: [Road Runner] | Yes | Zayson | Yes | Zayson |
| Jay B | "Inside" | Archive 1: [Road Runner] | Yes | iHwak | Yes | iHwak, Byun Si-yeon, Yoo Je-hyuk, Kim Si-hoon |
| Jay B | "Cloud Nine" | Archive 1: [Road Runner] | Yes | — | Yes | Spencer William, Markie Alvin Thompson, Baeeum, Largo, Chad, iHwak |
| Jay B | "Present" | Archive 1: [Road Runner] | Yes | — | Yes | Kim Wook |
| Jay B | "Winter Night" | Archive 1: [Road Runner] | Yes | — | Yes | NO2ZCAT, Vella |
| Got7 | "Darling" | Winter Heptagon | Yes | — | Yes | iHwak, Jay Dope |
| Got7 | "Yours Truly," (우리가할수있는말은.) | Winter Heptagon | Yes | Got7 | Yes | Wuk |